DSP56300 Core Features

1.3DSP56300 Core Features

All DSP56300 core family members contain the DSP56300 core and additional modules. The modules are chosen from a library of standard predesigned elements, such as memories and peripherals. New modules can be added to the library to meet customer specifications. A standard interface between the DSP56300 core and the on-chip memory and peripherals supports a wide variety of memory and peripheral configurations. In particular, the DSP56301 includes Motorola’s JTAG port and OnCE ™ module. Core features are fully described in the DSP56300 Family Manual. This manual, in contrast, documents pinout, memory, and peripheral features. Core features are as follows:

ν80/100 Million Instructions per Second (MIPS) using an internal 80/100 MHz clock at 3.0–3.6 V, depending on the revision of the DSP56301

ν

ν

ν

ν

ν

Object code compatible with the DSP56000 core

Highly parallel instruction set

Data Arithmetic Logic Unit (Data ALU)

—Fully pipelined 24 x 24-bit parallel multiplier-accumulator (MAC)

—56-bit parallel barrel shifter (fast shift and normalization; bit stream generation and parsing)

—Conditional ALU instructions

—24-bit or 16-bit arithmetic support under software control

Program Control Unit (PCU)

—Position Independent Code (PIC) support

—Addressing modes optimized for DSP applications (including immediate offsets)

—On-chip instruction cache controller

—On-chip memory-expandable hardware stack

—Nested hardware DO loops

—Fast auto-return interrupts

Direct Memory Access (DMA) Controller

—Six DMA channels supporting internal and external accesses

—One-, two-, and three- dimensional transfers (including circular buffering)

—End-of-block-transfer interrupts

—Triggering from interrupt lines and all peripherals

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DSP56301 User’s Manual

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Motorola DSP56301 user manual DSP56300 Core Features
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DSP56301 specifications

The Motorola DSP56301 is a highly efficient digital signal processor, specifically engineered for real-time audio and speech processing applications. This DSP is part of Motorola's renowned DSP56300 family, which is recognized for its innovative features and outstanding performance in the realm of digital signal processing.

One of the main features of the DSP56301 is its ability to handle complex computations at high speeds. With a maximum clock frequency of 66 MHz, it delivers fast performance, enabling it to process audio signals in real time. The chip is built on a 24-bit architecture, which allows for high-resolution audio processing. This is particularly beneficial in applications such as telecommunications, consumer audio devices, and professional audio equipment, where precision is paramount.

The DSP56301 boasts a comprehensive instruction set that includes efficient mathematical operations, which are essential for digital filters and audio effects processing. One of the key innovations of this device is its dual data path architecture, which permits simultaneous processing of multiple data streams. This feature significantly enhances the device's throughput and responsiveness, making it suitable for demanding applications such as voice recognition and synthesis.

In terms of memory regions, the DSP56301 includes several on-chip memory categories, such as program memory, data memory, and a specialized memory for coefficients. The architecture's support for external memory expansion further increases its versatility, allowing designers to tailor systems to their specific requirements.

The DSP56301 implements advanced features such as a powerful on-chip hardware multiplier and accumulator, simplifying complex mathematical tasks and accelerating the execution of algorithms. Its flexible interrupt system enhances its capability to respond to time-sensitive operations, while the integrated serial ports facilitate efficient data communication with external devices.

Power consumption is also a vital characteristic of the DSP56301. It is designed with energy efficiency in mind, allowing for extended operation in battery-powered devices. The chip’s low power requirements are particularly advantageous in portable audio devices and other applications where energy conservation is crucial.

In conclusion, the Motorola DSP56301 is an exceptional digital signal processor that combines high processing power, flexibility, and efficiency. Its main features, advanced technologies, and robust architecture make it a top choice for developers seeking to create sophisticated audio and signal processing systems. With its enduring legacy in the industry, the DSP56301 continues to be relevant in a variety of modern applications, ensuring it remains a valuable tool for engineers and designers.
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